丘比特工厂主演:朴秀珍 Su-jin Park/金宇彬 KIM WOO BIN, Musical composer So-Joon suffers writer's block largely due to not having any romantic experiences in years. So-Joon the buys a machine "Cupid Factory". So-Joon uses the machine and meets singer Si-Yoon, his former girlfriend. Si-Yoon is now a popular singer. The "Cupid Factory" machine also has a side effect.